How to make Oracle EBusiness Suite R12 faster

CONCURRENT MANAGER LOG DELETION

Delete the log files under $APPLCSF\log directory.

$find . -mtime +1 -exec rm {} \ = delete log more than one day old.

MAKE the application server fast

Gather Schema statistics [How to run Gather Schema statistics on R12]

From System Administrator responsibility search %Gather% in concurrent manager. Then Run it. Give parameter “ALL” for all schema.

What is Oracle Applications/Oracle e-Business Suite ??

To facilitate big businesses, Oracle Corporation have created collection of software in the category of ERP (Enterprise Resource Planning) known as modules, that are integrated to talk to each other and known as Oracle Applications or E-Business Suite.
Eg.
 Oracle Inventory deals with the items you maintain in stock, warehouse etc.
 Oracle Receivables and Oracle Order Management are dealing with customers like orders given by Customers and Money collected from customers.
 Oracle General Ledger receives information from all the different transaction modules and summarizes them in order to create profit and loss statements, reports for paying Taxes etc.
 Oracle Cost Management helps to maintain the costs of items in your inventory and the immediate modules that it interacts with are Oracle Inventory, Oracle Bills of Material, Order Management.